She obtained her A-Levels from Cambridge Tutorial College, and soon began a combined honours degree in Politics, Economics and Law at the University of Buckingham, but transferred to the University of Nigeria, Nsukka as her father, who was from a family of lawyers, wanted his children to join his firm in Nigeria and insisted she concentrated solely on Law.
The sixth child of former Anambra governor Christian Onoh, Odumegwu-Ojukwu was educated in Enugu and Yorkshire, but spent most of her childhood in rural Ngwo. Following her graduation she attended the Nigerian Law School which eventually led to her call to the Barometer
Formerly Nigeria"s Senior Special Assistant on Diaspora Affairs and the country"s ambassador to Ghana and Spain, she is now Nigeria"s permanent representative to the United Nations World Tourism Organization. She was also named Mission Congeniality at the now defunct Mission Charm International in Russia where she was a semi-finalist. In 1989, it was revealed that Bianca Odumegwu-Ojukwu was dating former Biafran president and Ikemba of Nnewi Chukwuemeka Odumegwu Ojukwu, a political associate of her father who was over thirty years her senior.
Their controversial romance was a national talking point in the early 1990s, Odumegwu-Ojukwu declared later in the year that the pressure of being in the public eye had become unbearable, causing her to resign as Mission Intercontinental and stated that her main concern was completing her education as a law student.
Her decision enraged pageant organisers Silverbird who continue to ignore her 1988 reign on the MBGN website. Odumegwu-Ojukwu has appealed to her critics to allow Ikemba Odumegwu-Ojukwu to "rest in peace", describing him as a man of honour and dignity whose legacy should not be destroyed, and claiming that the will was drafted in 2005, with the legal witnesses and executors who were present at the time it was prepared still living.
After graduating from Law School, Odumegwu-Ojukwu briefly practised the profession before quitting, and divided her time between her home, her cosmetics business Bianca Blend and her interior decorating outfit Mirabella. Although she had stated in interviews her disdain for modelling in the past, Bianca Odumegwu-Ojukwu has fronted an advertising campaign for Bianca Blend.
She also established the non-government organisation Hope House Trust, centred towards rehabilitating juvenile offenders in Enugu.
In 2011, she was appointed Senior Special Assistant on Diaspora Affairs by president Goodluck Jonathan, and in 2012 she was named Nigeria"s ambassador to Spain.
In December 1988, Odumegwu-Ojukwu was crowned Most Beautiful Girl in Nigeria, but reigned for most of 1989, during which she represented her country in Mission World and Mission Universe, but achieved greater success at Mission Africa 1988 and the Nigerian version of Mission Intercontinental in 1989.
